SPL Set ID: c39721a3-7b22-4720-9dbd-bc82f03d2af7
1 drug(s) with this SPL Set ID
Nafcillin for Injection, USP is a semisynthetic antibiotic penicillin derived from the penicillin nucleus, 6-aminopenicillanic acid. It is the sodium salt in a parenteral dosage form. The chemical name is 4-Thia-1-azabicyclo [3.2.0]heptane-2-carboxylic acid, 6-[[(2-ethoxy-1-naphthalenyl)carbonyl]amino]-3,3-dimethyl-7-oxo-monosodium salt, monohydrate [2S(2α,5α,6β)]. It is resistant to inactivation by the enzyme penicillinase (beta-lactamase). The structural formula of nafcillin sodium is as follows: C 21 H 21 N 2 NaO 5 S•H 2 O M.W. 454.47 Nafcillin for Injection, USP, for intramuscular or the intravenous route of administration, containing nafcillin sodium as a white crystalline powder for reconstitution. It is soluble in water. The pH of the aqueous solution is 6.0 to 8.5. Nafcillin for Injection, USP contains nafcillin sodium as the monohydrate equivalent to 1 gram or 2 grams of nafcillin per vial. The sodium content is 65.8 mg [2.9 mEq] per gram of nafcillin. The product is buffered with 40 mg sodium citrate per gram. structure